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Information card for entry 4516568
Preview
| Coordinates | 4516568.cif |
|---|---|
| Original paper (by DOI) | HTML |
| External links | PubChem |
| Common name | pyrazine |
|---|---|
| Chemical name | pyrazine phase I |
| Formula | C4 H4 N2 |
| Calculated formula | C4 H4 N2 |
| Title of publication | Discrete CH···N Bonded Patterns Modified by Temperature and Pressure in Four Pyrazine Polymorphs |
| Authors of publication | Patyk, Ewa; Podsiadło, Marcin; Katrusiak, Andrzej |
| Journal of publication | Crystal Growth & Design |
| Year of publication | 2015 |
| Journal volume | 15 |
| Journal issue | 12 |
| Pages of publication | 5670 |
| a | 30.469 ± 0.003 Å |
| b | 3.81 ± 0.0004 Å |
| c | 11.0387 ± 0.001 Å |
| α | 90° |
| β | 99.714 ± 0.009° |
| γ | 90° |
| Cell volume | 1263.1 ± 0.2 Å3 |
| Cell temperature | 305 ± 0.1 K |
| Ambient diffraction temperature | 305 ± 0.1 K |
| Ambient diffracton pressure | 100 kPa |
| Number of distinct elements | 3 |
| Space group number | 14 |
| Hermann-Mauguin space group symbol | P 1 21/c 1 |
| Hall space group symbol | -P 2ybc |
| Residual factor for all reflections | 0.1646 |
| Residual factor for significantly intense reflections | 0.1193 |
| Weighted residual factors for significantly intense reflections | 0.3241 |
| Weighted residual factors for all reflections included in the refinement | 0.3603 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.072 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 301843 (current) | 2025-08-21 | Add cross-references to PubChem compounds in COD range 4/51/ Each referenced PubChem compound corresponds to the full crystal structure. |
4516568.cif |
| 231383 | 2019-11-22 | cif/ Adding structures of 4516568, 4516569, 4516570, 4516571, 4516572, 4516573, 4516574, 4516575, 4516576, 4516577, 4516578 via cif-deposit CGI script. |
4516568.cif |
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Users of the data should acknowledge the original authors of the
structural data.